Android Added to ofLibs

.github/workflows/_build.yml

@@ -119,6 +119,42 @@ jobs:
           version: 5.0.4
           actions-cache-folder: "emsdk-cache"
 
+      # GitHub's Ubuntu images already provide the Android command-line tools.
+      # Avoid setup-android here: v3 targets deprecated Node 20 and currently
+      # fails when GitHub forces the action to run on Node 24.
+      - name: Android SDK / NDK 23 Setup
+        if: startsWith(matrix.platform, 'android-')
+        env:
+          ANDROID_NDK_VERSION: 23.2.8568313
+          ANDROID_COMPILE_SDK: 31
+          ANDROID_CMAKE_VERSION: 3.22.1
+          ANDROID_ABI: ${{ matrix.android_abi }}
+        run: |
+          sdkmanager_bin="${ANDROID_SDK_ROOT}/cmdline-tools/latest/bin/sdkmanager"
+          if [ ! -x "$sdkmanager_bin" ]; then
+            sdkmanager_bin="$(command -v sdkmanager || true)"
+          fi
+          if [ -z "$sdkmanager_bin" ] || [ ! -x "$sdkmanager_bin" ]; then
+            echo "::error::sdkmanager was not found on the GitHub runner"
+            exit 1
+          fi
+
+          yes | "$sdkmanager_bin" --licenses > /dev/null || true
+          "$sdkmanager_bin" \
+            "platforms;android-${ANDROID_COMPILE_SDK}" \
+            "ndk;${ANDROID_NDK_VERSION}" \
+            "cmake;${ANDROID_CMAKE_VERSION}"
+          android_ndk_root="${ANDROID_SDK_ROOT}/ndk/${ANDROID_NDK_VERSION}"
+          if [ ! -f "${android_ndk_root}/build/cmake/android.toolchain.cmake" ]; then
+            echo "::error::Android NDK toolchain was not installed at ${android_ndk_root}"
+            exit 1
+          fi
+          echo "ANDROID_ABI=${ANDROID_ABI}" >> "$GITHUB_ENV"
+          echo "ANDROID_API=21" >> "$GITHUB_ENV"
+          echo "ANDROID_PLATFORM=android-21" >> "$GITHUB_ENV"
+          echo "ANDROID_NDK_ROOT=${android_ndk_root}" >> "$GITHUB_ENV"
+          echo "ANDROID_NDK_HOME=${android_ndk_root}" >> "$GITHUB_ENV"
+
       # - name: Verify emsdk
       #   if: matrix.platform == 'emscripten'
       #   run: |
@@ -224,12 +260,25 @@ jobs:
           aarch64-linux-gnu-readelf -d **/*.a 2>/dev/null | grep -E "GLIBC|CXXABI" || true
           # Should show versions like GLIBC_2.36, NOT 2.38+
 
-      - name: Rename and Publish Release
-        env:
-          # GITHUB_TOKEN: ${{ github.TOKEN }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Rename Build Archive
         run: |
           mv dist/*.zip ofLibs_${{ inputs.lib }}_${{ matrix.platform }}.zip
           ls -alF *.zip
-          gh release upload ${{ inputs.version }} *.zip --clobber
+
+      - name: Upload Build Artifact
+        uses: actions/upload-artifact@v7
+        with:
+          name: ofLibs-${{ inputs.lib }}-${{ matrix.platform }}
+          path: ${{ inputs.lib }}/ofLibs_${{ inputs.lib }}_${{ matrix.platform }}.zip
+          if-no-files-found: error
+
+      - name: Publish Release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          if gh release view "${{ inputs.version }}" > /dev/null 2>&1; then
+            gh release upload "${{ inputs.version }}" ofLibs_${{ inputs.lib }}_${{ matrix.platform }}.zip --clobber
+          else
+            echo "::notice::Release '${{ inputs.version }}' does not exist in this repository; archive built successfully but upload was skipped."
+          fi
         # mv dist/${{ inputs.lib }}.zip ofLibs_${{ inputs.lib }}_${{ matrix.platform }}.zip

.github/workflows/_build_android.yml

@@ -0,0 +1,27 @@
+name: Build ofLibs Android
+
+on:
+  workflow_call:
+    inputs:
+      lib: { required: true, type: string }
+      version: { required: true, type: string }
+      linux_apt: { required: false, type: string }
+
+permissions:
+  contents: write
+
+jobs:
+  android:
+    uses: ./.github/workflows/_build.yml
+    with:
+      lib: ${{ inputs.lib }}
+      version: ${{ inputs.version }}
+      linux_apt: ${{ inputs.linux_apt }}
+      platforms: >-
+        [
+          {"platform":"android-arm64","os":"ubuntu-22.04","toolchain":"llvm","android_abi":"arm64-v8a"},
+          {"platform":"android-armv7","os":"ubuntu-22.04","toolchain":"llvm","android_abi":"armeabi-v7a"},
+          {"platform":"android-x86","os":"ubuntu-22.04","toolchain":"llvm","android_abi":"x86"},
+          {"platform":"android-x86_64","os":"ubuntu-22.04","toolchain":"llvm","android_abi":"x86_64"}
+        ]
+    secrets: inherit

.github/workflows/assimp.yml

@@ -13,4 +13,10 @@ jobs:
     uses: ./.github/workflows/_build.yml
     with: { lib: assimp, version: v1.0 }
     secrets: inherit
+  android:
+    permissions:
+      contents: write
+    uses: ./.github/workflows/_build_android.yml
+    with: { lib: assimp, version: v1.0 }
+    secrets: inherit
 # bump 2026-07-24: rebuild on windows-2022 (MSVC 14.4x) runner pin

.github/workflows/brotli.yml

@@ -0,0 +1,15 @@
+name: brotli
+
+on:
+  push:
+    paths:
+      - .github/workflows/brotli.yml
+      - brotli/**
+
+jobs:
+  android:
+    permissions:
+      contents: write
+    uses: ./.github/workflows/_build_android.yml
+    with: { lib: brotli, version: v1.0 }
+    secrets: inherit

.github/workflows/fmt.yml

@@ -13,4 +13,10 @@ jobs:
     uses: ./.github/workflows/_build.yml
     with: { lib: fmt, version: v1.0 }
     secrets: inherit
+  android:
+    permissions:
+      contents: write
+    uses: ./.github/workflows/_build_android.yml
+    with: { lib: fmt, version: v1.0 }
+    secrets: inherit
 # bump 2026-07-24: rebuild on windows-2022 (MSVC 14.4x) runner pin

.github/workflows/freetype.yml

@@ -14,4 +14,10 @@ jobs:
     uses: ./.github/workflows/_build.yml
     with: { lib: freetype, version: v1.0 }
     secrets: inherit
+  android:
+    permissions:
+      contents: write
+    uses: ./.github/workflows/_build_android.yml
+    with: { lib: freetype, version: v1.0 }
+    secrets: inherit
 # bump 2026-07-24: rebuild on windows-2022 (MSVC 14.4x) runner pin

.github/workflows/glm.yml

@@ -19,4 +19,10 @@ jobs:
         linux_apt: libx11-dev libglu1-mesa-dev libgl1-mesa-dev libwayland-dev libxkbcommon-dev xorg-dev libegl1-mesa-dev libopengl-dev libglx-dev libglvnd-dev,
       }
     secrets: inherit
+  android:
+    permissions:
+      contents: write
+    uses: ./.github/workflows/_build_android.yml
+    with: { lib: glm, version: v1.0 }
+    secrets: inherit
 # bump 2026-07-24: rebuild on windows-2022 (MSVC 14.4x) runner pin

.github/workflows/json.yml

@@ -14,4 +14,10 @@ jobs:
     uses: ./.github/workflows/_build.yml
     with: { lib: json, version: v1.0 }
     secrets: inherit
+  android:
+    permissions:
+      contents: write
+    uses: ./.github/workflows/_build_android.yml
+    with: { lib: json, version: v1.0 }
+    secrets: inherit
 # bump 2026-07-24: rebuild on windows-2022 (MSVC 14.4x) runner pin

.github/workflows/opencv.yml

@@ -15,4 +15,10 @@ jobs:
     uses: ./.github/workflows/_build.yml
     with: { lib: opencv, version: v1.0 }
     secrets: inherit
+  android:
+    permissions:
+      contents: write
+    uses: ./.github/workflows/_build_android.yml
+    with: { lib: opencv, version: v1.0 }
+    secrets: inherit
 # bump 2026-07-24: rebuild on windows-2022 (MSVC 14.4x) runner pin

.github/workflows/poco.yml

@@ -14,4 +14,10 @@ jobs:
     uses: ./.github/workflows/_build.yml
     with: { lib: poco, version: add, linux_apt: libssl-dev }
     secrets: inherit
+  android:
+    permissions:
+      contents: write
+    uses: ./.github/workflows/_build_android.yml
+    with: { lib: poco, version: add }
+    secrets: inherit
 # bump 2026-07-24: rebuild on windows-2022 (MSVC 14.4x) runner pin

.github/workflows/pugixml.yml

@@ -13,11 +13,21 @@ jobs:
       contents: write
 
     uses: ./.github/workflows/_build.yml
-    with: {
-        lib: pugixml,
-        version: v1.0,
-        # multistrap: true,
-        linux_apt: libx11-dev libglu1-mesa-dev libgl1-mesa-dev libwayland-dev libxkbcommon-dev xorg-dev libegl1-mesa-dev libopengl-dev libglx-dev libglvnd-dev,
-      }
+    with:
+      lib: pugixml
+      version: v1.0
+      platforms: >-
+        [
+          {"platform":"linux64","os":"ubuntu-22.04","toolchain":"llvm"},
+          {"platform":"macos","os":"macos-26","toolchain":"apple-llvm"},
+          {"platform":"vs","os":"windows-2022","toolchain":"vs-stable"},
+          {"platform":"rpi-aarch64","os":"ubuntu-22.04-arm","prefix":"aarch64-linux-gnu","toolchain":"aarch64-linux-gnu-gcc-12"},
+          {"platform":"emscripten","os":"ubuntu-latest","toolchain":"emscripten"},
+          {"platform":"android-arm64","os":"ubuntu-22.04","toolchain":"llvm","android_abi":"arm64-v8a"},
+          {"platform":"android-armv7","os":"ubuntu-22.04","toolchain":"llvm","android_abi":"armeabi-v7a"},
+          {"platform":"android-x86","os":"ubuntu-22.04","toolchain":"llvm","android_abi":"x86"},
+          {"platform":"android-x86_64","os":"ubuntu-22.04","toolchain":"llvm","android_abi":"x86_64"}
+        ]
+      linux_apt: libx11-dev libglu1-mesa-dev libgl1-mesa-dev libwayland-dev libxkbcommon-dev xorg-dev libegl1-mesa-dev libopengl-dev libglx-dev libglvnd-dev
     secrets: inherit
 # bump 2026-07-24: rebuild on windows-2022 (MSVC 14.4x) runner pin

.github/workflows/tess2.yml

@@ -14,4 +14,10 @@ jobs:
     uses: ./.github/workflows/_build.yml
     with: { lib: tess2, version: v1.0 }
     secrets: inherit
+  android:
+    permissions:
+      contents: write
+    uses: ./.github/workflows/_build_android.yml
+    with: { lib: tess2, version: v1.0 }
+    secrets: inherit
 # bump 2026-07-24: rebuild on windows-2022 (MSVC 14.4x) runner pin

.github/workflows/uriparser.yml

@@ -14,4 +14,10 @@ jobs:
     uses: ./.github/workflows/_build.yml
     with: { lib: uriparser, version: v1.0 }
     secrets: inherit
+  android:
+    permissions:
+      contents: write
+    uses: ./.github/workflows/_build_android.yml
+    with: { lib: uriparser, version: v1.0 }
+    secrets: inherit
 # bump 2026-07-24: rebuild on windows-2022 (MSVC 14.4x) runner pin

.github/workflows/utfcpp.yml

@@ -14,4 +14,10 @@ jobs:
     uses: ./.github/workflows/_build.yml
     with: { lib: utfcpp, version: v1.0 }
     secrets: inherit
+  android:
+    permissions:
+      contents: write
+    uses: ./.github/workflows/_build_android.yml
+    with: { lib: utfcpp, version: v1.0 }
+    secrets: inherit
 # bump 2026-07-24: rebuild on windows-2022 (MSVC 14.4x) runner pin

.github/workflows/zlib-ng.yml

@@ -14,4 +14,10 @@ jobs:
     uses: ./.github/workflows/_build.yml
     with: { lib: zlib-ng, version: v1.0 }
     secrets: inherit
+  android:
+    permissions:
+      contents: write
+    uses: ./.github/workflows/_build_android.yml
+    with: { lib: zlib-ng, version: v1.0 }
+    secrets: inherit
 # bump 2026-07-24: rebuild on windows-2022 (MSVC 14.4x) runner pin

assimp/chalet.yaml

@@ -53,6 +53,24 @@ targets:
       - ASSIMP_BUILD_ZLIB=ON
       # - JS_ONLY=ON
       # - CMAKE_EXECUTABLE_SUFFIX=.js
+    defines[env:ANDROID_ABI]:
+      - CMAKE_TOOLCHAIN_FILE=${env:ANDROID_NDK_ROOT}/build/cmake/android.toolchain.cmake
+      - CMAKE_ANDROID_ARCH_ABI=${env:ANDROID_ABI}
+      - ANDROID_ABI=${env:ANDROID_ABI}
+      - ANDROID_API=${env:ANDROID_API}
+      - ANDROID_PLATFORM=${env:ANDROID_PLATFORM}
+      - ANDROID_TOOLCHAIN=clang
+      - ANDROID_NDK=${env:ANDROID_NDK_ROOT}
+      - ANDROID_NDK_ROOT=${env:ANDROID_NDK_ROOT}
+      - ANDROID_STL=c++_static
+      - ASSIMP_ANDROID_JNIIOSYSTEM=ON
+      - ASSIMP_BUILD_SAMPLES=OFF
+      - ASSIMP_BUILD_DOCS=OFF
+      - ASSIMP_BUILD_STL_IMPORTER=OFF
+      - ENABLE_VISIBILITY=OFF
+      - ZLIB_ROOT=${externalBuild:zlib-ng}/ext.zlib-ng/install
+      - ZLIB_LIBRARY=${externalBuild:zlib-ng}/ext.zlib-ng/install/lib/libz.a
+      - ZLIB_INCLUDE_DIR=${externalBuild:zlib-ng}/ext.zlib-ng/install/include
     defines[platform:windows]:
       - ASSIMP_BUILD_ZLIB=ON
     # defines[platform:!windows]:

brotli/chalet.yaml

@@ -25,6 +25,21 @@ targets:
 
       # avoid creating pkgconfig folder
       # - BROTLI_BUNDLED_MODE=ON
+    defines[env:ANDROID_ABI]:
+      - CMAKE_TOOLCHAIN_FILE=${env:ANDROID_NDK_ROOT}/build/cmake/android.toolchain.cmake
+      - CMAKE_ANDROID_ARCH_ABI=${env:ANDROID_ABI}
+      - ANDROID_ABI=${env:ANDROID_ABI}
+      - ANDROID_API=${env:ANDROID_API}
+      - ANDROID_PLATFORM=${env:ANDROID_PLATFORM}
+      - ANDROID_TOOLCHAIN=clang
+      - ANDROID_NDK=${env:ANDROID_NDK_ROOT}
+      - ANDROID_NDK_ROOT=${env:ANDROID_NDK_ROOT}
+      - ANDROID_STL=c++_static
+      - BROTLI_DISABLE_TESTS=ON
+      - BROTLI_BUILD_TOOLS=OFF
+      - BROTLI_BUNDLED_MODE=OFF
+      - BUILD_TESTING=OFF
+      - ENABLE_VISIBILITY=OFF
     defines[platform:macos]:
       - CMAKE_OSX_ARCHITECTURES=x86_64;arm64
       - CMAKE_OSX_DEPLOYMENT_TARGET=11.0

fmt/chalet.yaml

@@ -22,6 +22,18 @@ targets:
       - CMAKE_INSTALL_PREFIX=install
       - CMAKE_INSTALL_INCLUDEDIR=include
       - CMAKE_INSTALL_LIBDIR=lib
+    defines[env:ANDROID_ABI]:
+      - CMAKE_TOOLCHAIN_FILE=${env:ANDROID_NDK_ROOT}/build/cmake/android.toolchain.cmake
+      - CMAKE_ANDROID_ARCH_ABI=${env:ANDROID_ABI}
+      - ANDROID_ABI=${env:ANDROID_ABI}
+      - ANDROID_API=${env:ANDROID_API}
+      - ANDROID_PLATFORM=${env:ANDROID_PLATFORM}
+      - ANDROID_TOOLCHAIN=clang
+      - ANDROID_NDK=${env:ANDROID_NDK_ROOT}
+      - ANDROID_NDK_ROOT=${env:ANDROID_NDK_ROOT}
+      - ANDROID_STL=c++_static
+      - CMAKE_POSITION_INDEPENDENT_CODE=ON
+      - ENABLE_VISIBILITY=OFF
     defines[platform:macos]:
       - CMAKE_OSX_DEPLOYMENT_TARGET=11.0
       - CMAKE_OSX_ARCHITECTURES=x86_64;arm64

freetype/chalet.yaml

@@ -83,6 +83,23 @@ targets:
     # defines[platform:!windows]:
     # - ZLIB_INCLUDE_DIRS=${external:zlib}
     # - ZLIB_INCLUDE_DIR=${external:zlib}
+    defines[env:ANDROID_ABI]:
+      - CMAKE_TOOLCHAIN_FILE=${env:ANDROID_NDK_ROOT}/build/cmake/android.toolchain.cmake
+      - CMAKE_ANDROID_ARCH_ABI=${env:ANDROID_ABI}
+      - ANDROID_ABI=${env:ANDROID_ABI}
+      - ANDROID_API=${env:ANDROID_API}
+      - ANDROID_PLATFORM=${env:ANDROID_PLATFORM}
+      - ANDROID_TOOLCHAIN=clang
+      - ANDROID_NDK=${env:ANDROID_NDK_ROOT}
+      - ANDROID_NDK_ROOT=${env:ANDROID_NDK_ROOT}
+      - ANDROID_STL=c++_static
+      # Optional dependency projects are not part of this ofLibs recipe.
+      - FT_DISABLE_BZIP2=ON
+      - FT_DISABLE_HARFBUZZ=ON
+      - FT_DISABLE_BROTLI=ON
+      - FT_DISABLE_PNG=ON
+      - FT_DISABLE_ZLIB=ON
+
     defines[platform:macos]:
       - CMAKE_OSX_DEPLOYMENT_TARGET=11.0
       - CMAKE_OSX_ARCHITECTURES=x86_64;arm64